National Novel Writing Month (NaNoWriMo.org)
Arts, Writers Resources, Contests - National Novel Writing Month (NaNoWriMo.org). Participants begin writing November 1.
http://www.nanowrimo.org/
Contests
Pomegranate Words Writing Contests
Arts, Writers Resources, Contests - Pomegranate Words Writing Contests. Offers free monthly contests for poetry and fiction.
http://www.pomegranatewords.com
Santa Fe Writers Project
Arts, Writers Resources, Contests - Santa Fe Writers Project. SFWP provides resources for authors and features online fiction as well as an annual writing contest for prose, both fiction and non-fiction, including short stories, essays and sample chapters of novels.
https://www.sfwp.com/